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Yeah, try the 10psi and if it freaks out, slap the 5psi back on or even that with the old stock solenoid dealy earthed to 7psi...

could be interesting indeed.

I've always wondered whether the Altitude difference between coast and here would make a noticeable difference in tune also.

Yeah will see how we go.

Hmm I had never thought of that. Might look into it. Hopefully it's not an issue

So this morning I topped up the coolant only to find that the banjo bolts on the turbo weren't tight enough and coolant starting leaking from them. Tightened them up to stop the leak.

But now the car seems to be overheating, or my cheap ass water temp gauge has crapped itself :/ Just at idle after a couple minutes the water is up around 80-90 degrees.

The gauge doesn't seem to drop below 70 degrees, even when the coolant is ambient. But when the gauge is up around 90 the water feels like it would be around that temperature.. My thoughts are maybe there's air in the cooling system. Tried to bleed it this morning but am unsure if its successful or not.

Found a couple fairly loose intake pipes but as far as I know there is no correlation between boost leaks and overheating?

Will have to continue tackling things later as I am heading down the coast tomorrow morning for the long weekend with some mates. Might think about completely flushing the cooling system and starting again

Air in the system

bleed the hell out of it

Jack the front of the car up...or face it up a decent hill

Use a coke bottle cut in half in the rad cap, and keep filling that bitch until no more air bubbles

Yep, never had to use the bottle trick but Uphill / Jacked front etc and cracking the Bleeder bolt seems good.

Yeah was reading different ways to do it this morning.. Do you leave the radiator cap on when doing that?

Nah, I leave it off and crack the bolts, the more places for air to escape the better IMO...

a few small revs helps to push the air out too.

oh and have the heater on Full Blast aswell.

Its nearly impossible to bleed it fully once.

You need to do it two or three times, each time making sure the bleed is at the top (usually car facing uphill) and yeah it has to warm up so the thermostat opens.

Theres another bleed at the back of the head, for the heater system. Its a total pain to get at. On my HCR32 its a rubber nipple like a closed off hose, on the heater hoses that run behind the head. You want the heater on hot so it lets any air through.

And intake leaks will make it lean under vacuum and rich under boost. Lean is hot and detonating. Bad.

Edited by D.I.Y. Mik
  • Like 1

I'm getting quite quick at doing this as I always have to do something to do with coolant. Jack it up as everyone said and stick a coke bottle. Let it idle and watch some TV. You may have to refill when the level goes down.

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